Cholecystitis can usually be diagnosed through color ultrasound. Color ultrasound can be used as a diagnostic solution for cholecystitis. Through color ultrasound, the specific shape as well as changes of the inner wall of the gallbladder can be observed to know whether the inner wall of the gallbladder is smooth and whether there are bilateral shadows, which can be preliminarily diagnosed as cholecystitis, so that the presence of cholecystitis can be preliminarily analyzed through color ultrasound examination. When diagnosing cholecystitis, in addition to color ultrasound, it is also necessary to combine with other tests for diagnosis, mainly including CT examination, blood tests, etc., through which it is possible to identify and diagnose diseases with similar symptoms to cholecystitis. If cholecystitis is diagnosed through ultrasound, targeted treatment should be carried out as soon as possible according to the doctor’s instructions, so as not to aggravate the condition of cholecystitis and cause gallbladder necrosis, suppuration or perforation.